+
+// ========================================
+// PostgreSqlMigration
+// ========================================
+class PostgreSqlMigrationWriter : public PostgreSqlStorage, public AbstractSqlMigrationWriter {
+ Q_OBJECT
+
+public:
+ PostgreSqlMigrationWriter();
+
+ virtual bool writeMo(const QuasselUserMO &user);
+ virtual bool writeMo(const SenderMO &sender);
+ virtual bool writeMo(const IdentityMO &identity);
+ virtual bool writeMo(const IdentityNickMO &identityNick);
+ virtual bool writeMo(const NetworkMO &network);
+ virtual bool writeMo(const BufferMO &buffer);
+ virtual bool writeMo(const BacklogMO &backlog);
+ virtual bool writeMo(const IrcServerMO &ircserver);
+ virtual bool writeMo(const UserSettingMO &userSetting);
+
+ bool prepareQuery(MigrationObject mo);
+
+ virtual bool postProcess();
+
+protected:
+ virtual inline bool transaction() { return logDb().transaction(); }
+ virtual inline void rollback() { logDb().rollback(); }
+ virtual inline bool commit() { return logDb().commit(); }
+
+private:
+ // helper struct
+ struct Sequence {
+ QLatin1String table;
+ QLatin1String field;
+ Sequence(const char *table, const char *field) : table(table), field(field) {}
+ };
+
+ QSet<int> _validIdentities;
+};
+